12131301 has 32 divisors (see below), whose sum is σ = 20462848. Its totient is φ = 6220800.

The previous prime is 12131297. The next prime is 12131303. The reversal of 12131301 is 10313121.

It is not a de Polignac number, because 12131301 - 2² = 12131297 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12131303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9501 + ... + 10701.

It is an arithmetic number, because the mean of its divisors is an integer number (639464).

Almost surely, 2^12131301 is an apocalyptic number.

It is an amenable number.

12131301 is a deficient number, since it is larger than the sum of its proper divisors (8331547).

12131301 is a wasteful number, since it uses less digits than its factorization.

12131301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 12131301 is about 3483.0017226525. The cubic root of 12131301 is about 229.7748331969.

Subtracting from 12131301 its sum of digits (12), we obtain a square (12131289 = 3483²).

Adding to 12131301 its reverse (10313121), we get a palindrome (22444422).

The spelling of 12131301 in words is "twelve million, one hundred thirty-one thousand, three hundred one".